The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 2020
Filed:
Aug. 22, 2017
Applicant:
Yuanchu Technology (Beijing) Co., Ltd., Beijing, CN;
Assignee:
YUANCHU TECHNOLOGY (BEIJING) CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 23/06 (2006.01); B09B 3/00 (2006.01); C01F 11/28 (2006.01); C04B 14/28 (2006.01); C01B 32/50 (2017.01); C04B 14/06 (2006.01); C01F 11/02 (2006.01); C01B 33/12 (2006.01); C04B 20/02 (2006.01); C01F 11/18 (2006.01); B02C 23/38 (2006.01); B02C 23/14 (2006.01); C01F 11/06 (2006.01);
U.S. Cl.
CPC ...
B09B 3/0016 (2013.01); B02C 23/06 (2013.01); B02C 23/14 (2013.01); B02C 23/38 (2013.01); B09B 3/0083 (2013.01); C01B 32/50 (2017.08); C01B 33/12 (2013.01); C01F 11/02 (2013.01); C01F 11/06 (2013.01); C01F 11/18 (2013.01); C01F 11/185 (2013.01); C01F 11/28 (2013.01); C04B 14/06 (2013.01); C04B 14/28 (2013.01); C04B 20/026 (2013.01); Y02W 30/95 (2015.05);
Abstract
A method of utilizing construction and demolition waste is disclosed. The method comprises pretreating the construction and demolition waste into particles with a predetermined range of size; and obtaining calcium carbonate from the particles. The method of the present invention enables to recycle a wide range of construction and demolition waste, furthermore it can convert these waste materials into the high purity calcium carbonate which can be widely used in many applications.